ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,553, issued on May 27, was assigned to BEIJING SURGERII ROBOTICS COMPANY Ltd. (Beiing, China).

"Robot system and control method" was invented by Kai Xu (Beijing), Jiangran Zhao (Beijing) and Haozhe Yang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control method for a robot system is provided. The robot system includes a plurality of motion arms, and the plurality of motion arms include a first motion arm and a second motion arm. The control method includes: determining a motion mode of ends of the first motion arm and the second motion arm of the robot system, where the motion mode includes synchronous motion of the ends of the first m...